sync: fix TestCopyEmptyDirectories after ModifyWindow changes #2310
sync: fix TestCopyEmptyDirectories after ModifyWindow changes #2310

B4dM4n/rclone,olihey/rclone,B4dM4n/rclone,ncw/rclone,ncw/rclone,yonjah/rclone,ncw/rclone,yonjah/rclone,B4dM4n/rclone,olihey/rclone,olihey/rclone,B4dM4n/rclone,yonjah/rclone,olihey/rclone,yonjah/rclone,ncw/rclone